2505636100255 has 16 divisors (see below), whose sum is σ = 3063884123520. Its totient is φ = 1966437960448.

The previous prime is 2505636100213. The next prime is 2505636100259. The reversal of 2505636100255 is 5520016365052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2505636100255 - 2²⁹ = 2505099229343 is a prime.

It is a super-2 number, since 2×2505636100255² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505636100259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501539 + ... + 2695531.

It is an arithmetic number, because the mean of its divisors is an integer number (191492757720).

Almost surely, 2^{2505636100255} is an apocalyptic number.

2505636100255 is a deficient number, since it is larger than the sum of its proper divisors (558248023265).

2505636100255 is a wasteful number, since it uses less digits than its factorization.

2505636100255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201970.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 2505636100255 in words is "two trillion, five hundred five billion, six hundred thirty-six million, one hundred thousand, two hundred fifty-five".